Table 1 Effects of sub-watersheds, landscape positions, and land use on plant biomass production and biomass export

 Untreated

40

5.91^b

0.33^b

5.58^a

 Treated

50

10.63^a

7.62^a

3.01^b

Untreated upper

20

5.38^b

0.33^c

5.05^a

  Lower

20

6.44^b

0.31^c

6.12^a

Treated upper

20

5.77^b

2.21^b

3.56^b

  Lower

30

10.97^a

7.36^a

3.61^b

Untreated crop

20

6.92^b

0.41^c

6.51^a

  Grazing

20

4.90^c

0.24^c

4.66^b

Treated crop

20

8.09^b

1.95^b

6.14^ab

  Grazing

20

4.49^c

1.69^b

2.80^c

  Tree lucerne

10

19.31^a

19.23^a

0.08^d

P-SW

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P-SW*LP

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ns

P-SW*LU

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